package http_servlet_request;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Creared with IntelliJ IDEA.
 * Description:
 * User:yxd
 * Date:2022-05-30
 * Time:14:10
 */
@WebServlet("/postParameter")
public class PostRequest extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //假设传来的参数格式是形如:userId=10&classId=20
        String userId = req.getParameter("userId");
        String classId = req.getParameter("classId");
        resp.getWriter().write("userId=" + userId + ",classId=" + classId);
    }
}
